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Holmium

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Holmium (Ho) Metal

HTRE889

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Holmium (Ho) Metal is a chemical element with the symbol Ho and atomic number 67 applied in petroleum and environment protection catalysts, mischmetals, polishing powders, and Rare Earth fertilizers. Heeger Materials (HM) provides the best Holmium (Ho) Metal at high quality and competitive prices.

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Data sheet

Molecular FormulaHo
Molecular Weight164.93
Purity99.99%D/99.99%/99.9%/99%
CAS7440-60-0

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Holmium (Ho) is a soft and malleable rare earth element, which belongs to the lanthanide series of elements and is considered a rare earth metal. It is fairly corrosion-resistant and stable in dry air at standard temperature and pressure but easily oxidizes in moist air. It has the highest magnetic moment of the naturally occurring elements and forms highly magnetic compounds when alloyed with yttrium. HM stocks various rare earth materials for use in electronics, petrochemicals, metallurgy, machinery, energy, environmental protection, agriculture, and other fields. We also offer pure metals and compounds for R&D applications.

Holmium (Ho) Metal

  • Phase at STP: solid
  • Melting point: 1734 K (1461 °C, 2662 °F)
  • Boiling point: 2873 K (2600 °C, 4712 °F)
  • Density (near r.t.): 8.79 g/cm3
  • Liquid (at m.p.): 8.34 g/cm3
  • The heat of fusion: 17.0 kJ/mol
  • The heat of vaporization: 251 kJ/mol
  • Molar heat capacity: 27.15 J/(mol·K)
  • Solubility: Soluble in water and strong mineral acids
  • Stability: Slightly hygroscopic

Holmium (Ho) Metal Specifications

Grade99.99%D99.99%99.9%99%
CHEMICAL COMPOSITION
Ho/TREM (% min.)99.9999.9999.999
TREM (% min.)99.999.59999
Rare Earth Impuritiesppm max.ppm max.% max.% max.
Gd/TREM
Tb/TREM
Dy/TREM
Er/TREM
Tm/TREM
Yb/TREM
Lu/TREM
Y/TREM		30
30
10
10
10
10
10
30		30
30
10
10
10
10
10
30		0.002
0.01
0.05
0.05
0.01
0.01
0.01
0.03		0.1
0.1
0.3
0.3
0.1
0.01
0.01
0.05
Non-Rare Earth Impuritiesppm max.ppm max.% max.% max.
Fe
Si
Ca
Al
Mg
W
Ta
O
C
Cl		200
50
50
50
50
50
50
300
50
50		500
100
100
100
50
100
100
500
100
100		0.1
0.03
0.05
0.01
0.01
0.05
0.01
0.1
0.01
0.01		0.15
0.01
0.05
0.01
0.01
0.05
0.05
0.2
0.03
0.02

Holmium (Ho) Metal Applications

  • Used for making specialty alloys and superconductive materials.
  • Used in Yttrium-Aluminum-Garnet (YAG) and Yttrium-Lanthanum-Fluoride (YLF) solid-state lasers found in microwave equipment (which are in turn found in a variety of medical and dental settings).
  • Holmium lasers are used in medical, dental, and fiber-optical applications.
  • Used for cubic zirconia and glass, providing yellow or red coloring.
  • Be further processed into various shapes of ingots, pieces, wires, foils, slabs, rods, discs, and powder.

Holmium (Ho) Metal Packing

Holmium (Ho) Metal products are all vacuum-sealed independently. Small products are packaged in cartons and large-sized products in wooden boxes. The package is 100g/bag, 500g/bag, 25kg/box, or as required.

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